56840644323 has 8 divisors (see below), whose sum is σ = 84208362000. Its totient is φ = 37893762864.

The previous prime is 56840644297. The next prime is 56840644369. The reversal of 56840644323 is 32344604865.

56840644323 is a `hidden beast` number, since 568 + 4 + 0 + 64 + 4 + 3 + 23 = 666.

It is not a de Polignac number, because 56840644323 - 2²² = 56836450019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56840644373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052604498 + ... + 1052604551.

It is an arithmetic number, because the mean of its divisors is an integer number (10526045250).

Almost surely, 2^56840644323 is an apocalyptic number.

56840644323 is a deficient number, since it is larger than the sum of its proper divisors (27367717677).

56840644323 is a wasteful number, since it uses less digits than its factorization.

56840644323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105209058 (or 2105209052 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 56840644323 in words is "fifty-six billion, eight hundred forty million, six hundred forty-four thousand, three hundred twenty-three".